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Date:   1/22/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         Page:      1
Time:     13:52                                      2003 Property Value Study                                          Rpt: VAL7000
                                                     Confidence Interval Detail
                                                        070-903-070 Ennis

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                                                              (1)                         (2)
  (1)                  (1)                        (1)       Stratum         (1)         Sample
Stratum              Category                 Local Value    Ratio      State Value      Size
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  1      A  - Single-family Residences        110,579,226    1.0344     106,901,804       15
  2      A  - Single-family Residences        110,625,785    1.0623     104,137,988       10
  3      A  - Single-family Residences        110,579,226     .9917     111,504,715       10
  4      A  - Single-family Residences        110,532,666    1.0151     108,888,450       10
  5      D  - Rural Real                      107,403,480    1.0751      99,900,921       16
  6      F  - Commercial Real                  25,690,119    1.0624      24,181,211       10
  7      F  - Commercial Real                  25,593,256     .9147      27,979,945       13
  8      F  - Commercial Real                  26,056,044     .9101      28,629,869       10
  9      F  - Commercial Real                  24,893,693     .9405      26,468,573        7
 10      L  - Commercial Personal              12,926,620     .9066      14,258,350        5
 11      L  - Commercial Personal              12,970,071    1.0324      12,563,029        9
 12      L  - Commercial Personal              13,768,480     .9850      13,978,152        6

Random Totals:                                691,618,666               679,393,007      121
 Cat J Exception Values:                       46,229,266                47,387,523
 Cat D1 Exception Values:                      12,008,320                11,935,948
 Other Exception Values:                       13,444,650                13,189,409
Exception Totals(3):                           71,682,236                72,512,880
Test Values(4):                               763,300,902               751,905,887

Margin of Error Percent:                                    5.0000000
Margin of Error Value:                                     37,595,294
Confidence Interval Values:
  State Lower Limit:                                      714,310,593  (State Test Value Minus Margin of Error Value)
  Local Test Value:                                       763,300,902  (Within Confidence Interval Limits)
  State Upper Limit:                                      789,501,181  (State Test Value Plus Margin of Error Value)
Value Assigned (5):                                     1,192,913,937  (See ISD Summary Worksheet)


Sources:

(1) See Stratified Ratio Detail Report VAL7214.
(2) Number of parcels sampled by staff.
(3) Exception value includes, if tested, D1, the J sample, and any parcels in A,B,C,D,F1,G or L1 marked as exception properties.
(4) Unstudied categories and sub-categories were not included in the test values.
(5) Includes local value of unstudied property categories and sub-categories.